- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
An advanced theory of design for thin shells, based on the premise that a shell cannot resist bending because it deflects. The only stresses that exist, therefore, in any section are shear stress and direct compression or tension.
Industry:Mining
An aerial photograph made with the camera axis vertical (camera pointing straight down) or as nearly vertical as possible in an aircraft.
Industry:Mining
An aerial ropeway in which a moving endless rope both supports and transports carriers that are permanently fixed to it. The length of the line may be several miles. Individual loads are limited to about 2 hundredweight (91 kg), and total capacity seldom exceeds about 15 st/h (13.6 t/h).
Industry:Mining
An aerial ropeway in which two parallel track ropes are used, each carrying a carriage.
Industry:Mining
An aerial ropeway that operates on the same principle as the endless rope haulage. The loaded buckets are hauled by an endless rope in one direction and the empty buckets travel back on the return rope alongside.
Industry:Mining
An aerial ropeway using stationary track ropes along which carriers are hauled by an endless haulage rope.
Industry:Mining
An agency (such as water, steam, wind, or electricity) used to impart motion to machinery.
Industry:Mining
An agent that prevents fine soil particles or clay particles in suspension from coalescing to form flocs.
Industry:Mining
An agent that prevents fine soil particles or clay particles in suspension from coalescing to form flocs.
Industry:Mining
An agent that prevents fine soil particles or clay particles in suspension from coalescing to form flocs.
Industry:Mining
